package book;

/**
 * @Description:书架类
 */

public class BookList {
    private Book[] books=new Book[10];//这个书架的大小
    private int usedSize;//数组中放了几本书
    public BookList(){
        books[0]=new Book("三国演义","罗贯中",90,"小说");
        books[1]=new Book("西游记","吴承恩",78,"小说");
        books[2]=new Book("红楼梦","曹雪芹",89,"小说");
        this.usedSize=3;
    }

    /**
     * 获取当前数组当中的元素的个数
     * @return
     */
    public int getUsedSize() {
        return usedSize;
    }

    /**
     * 修改当前数组中元素的个数
     * @param usedSize
     */

    public void setUsedSize(int usedSize) {
        this.usedSize = usedSize;
    }
    /**
     * 获取pos下标的书
     * @param pos
     * @return
     */
    public Book getPos(int pos){
        return books[pos];

    }

    /**
     * 给数组pos的位置放一本书
     * @param pos
     * @param book
     */
    public void setBooks(int pos,Book book){
        books[pos]=book;
    }
}
